Process for producing a flavor-enhancing material for foods

The present invention relates to a method for producing a cysteine-rich food material by maintaining a food material containing gamma-glutamylcysteine at a ratio of at least 1 wt % to the solid content thereof at a temperature ranging from 50 to 120° C. and at a pH ranging from 1 to 7. This process...

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Bibliographische Detailangaben
Hauptverfasser:	UEDA YOICHI, ISHIGURO, LEGAL REPRESENTATIVE TATSUYA, KOHMURA MASANORI, WAKABAYASHI HIDEHIKO, ISHIGURO, LEGAL REPRESENTATIVE MINORI, NISHIMURA YASUSHI, ISHIGURO, LEGAL REPRESENTATIVE SHOUJI, HIBINO GAKU, SANO KOH-ICHIRO, ISHIGURO, LEGAL REPRESENTATIVE YOUHEI, KAWAGUCHI HIROKAZU, NISHIUCHI HIROAKI, SUGIMOTO REIKO
Format:	Patent
Sprache:	eng
Schlagworte:	BEER BIOCHEMISTRY CHEMISTRY ENZYMOLOGY FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE FOODS OR FOODSTUFFS FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J HUMAN NECESSITIES METALLURGY MICROBIOLOGY MUTATION OR GENETIC ENGINEERING PHOSPHATIDE COMPOSITIONS FOR FOODSTUFFS PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL PROTEIN COMPOSITIONS FOR FOODSTUFFS SPIRITS THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT THEIR TREATMENT, NOT COVERED BY OTHER CLASSES VINEGAR WINE WORKING-UP PROTEINS FOR FOODSTUFFS
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Beschreibung
Zusammenfassung:	The present invention relates to a method for producing a cysteine-rich food material by maintaining a food material containing gamma-glutamylcysteine at a ratio of at least 1 wt % to the solid content thereof at a temperature ranging from 50 to 120° C. and at a pH ranging from 1 to 7. This process is conducted in the absence of a sugar and in the presence of water. The present invention also relates to a method for producing a cysteine-rich food material by reacting the food material with a gamma-glutamyl peptide hydrolase at a pH ranging from 3 to 9 and at a temperature ranging from 15 to 70° C. in the present of water. Further, the present invention relates to a method for producing a flavor-enhancing material for use in food, food products obtained by these processes, and yeast cells or extracts for use in food products.